function [] = pp_unsigned_tb()
    A = [0 1 0 1 1 0 0];
    B = [1 1 1 1 1 1 1];
    X = [0 0 0 0 0 0 0 0 0 0 0 0 0
         0 0 0 0 0 0 0 0 0 0 0 0 0
         0 0 0 0 1 1 1 1 1 1 1 0 0
         0 0 0 1 1 1 1 1 1 1 0 0 0
         0 0 0 0 0 0 0 0 0 0 0 0 0
         0 1 1 1 1 1 1 1 0 0 0 0 0
         0 0 0 0 0 0 0 0 0 0 0 0 0];
    Z = pp_unsigned(A,B);
    assert2(A,B,Z,X,1,44);
end